Question

Angle chasing problem: Find $\angle Q_{2024}Q_{2025}P_{2025}$ in the quadrilateral.

score 211 · Answer 1 · 2021-08-01 13:06:05

211

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Angle chasing problem: Find $\angle Q_{2024}Q_{2025}P_{2025}$ in the quadrilateral.

Published on 01 Aug 2021 - 13:06

score 175 · Answer 2 · 2026-03-28 15:11:26

175

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Find the angle BEC in this quadrilateral - where have I gone wrong?

Published on 28 Mar 2026 - 15:11

score 417 · Answer 3 · 2021-08-08 14:44:39

417

Views

Irregular convex quadrilateral: Find the diagonal length given all sides and one angle

Published on 08 Aug 2021 - 14:44

score 48 · Answer 4 · 2021-08-10 10:03:00

48

Views

Area of quadrilateral given one diagonal and a line joining midpoints of two adjascene sides

Published on 10 Aug 2021 - 10:03

score 162 · Answer 5 · 2021-08-11 11:34:32

162

Views

Area of Cyclic Quadrilateral

Published on 11 Aug 2021 - 11:34

score 138 · Answer 6 · 2021-08-12 21:09:40

138

Views

What is the measure of the $\angle MAD$ in the parallelogram below if $\angle B=110^\circ$

Published on 12 Aug 2021 - 21:09

score 270 · Answer 7 · 2021-08-13 07:46:48

270

Views

Cyclic quadrilateral: opposite angles add up to $180^\circ\Leftrightarrow$ angles in same segments are equal?

Published on 13 Aug 2021 - 7:46

score 178 · Answer 8 · 2021-08-17 14:06:10

178

Views

How to prove in figure that $x=30^\circ$, where we know angles $36^\circ$, $24^\circ$ and $18^\circ$?

Published on 17 Aug 2021 - 14:06

score 1.3k · Answer 9 · 2021-08-18 03:06:05

1.3k

Views

Why the sum of interior angles of any concave or convex polygon is 180×(n-2)°? How to prove this?

Published on 18 Aug 2021 - 3:06

score 99 · Answer 10 · 2021-08-20 02:25:00

99

Views

What is the measure of $\measuredangle B$ on the trapeze below?

Published on 20 Aug 2021 - 2:25

score 504 · Answer 11 · 2021-08-23 21:48:45

504

Views

How to find the angle between diagonals of a quadrilateral when all its angles is known?

Published on 23 Aug 2021 - 21:48

score 3.6k · Answer 12 · 2021-08-27 07:14:23

3.6k

Views

Find fourth side of quadrilateral given three sides and two angles

Published on 27 Aug 2021 - 7:14

score 7.8k · Answer 13 · 2021-09-05 14:11:37

7.8k

Views

How to find the area of a quadrilateral with all sides different?

Published on 05 Sep 2021 - 14:11

score 99 · Answer 14 · 2021-09-09 21:54:02

99

Views

References for Euclidean geometry of quadrilateral

Published on 09 Sep 2021 - 21:54

score 111 · Answer 15 · 2021-09-11 06:05:57

111

Views

Circle geometry sketching and proving

Published on 11 Sep 2021 - 6:05

List Question

Angle chasing problem: Find $\angle Q_{2024}Q_{2025}P_{2025}$ in the quadrilateral.

Find the angle BEC in this quadrilateral - where have I gone wrong?

Irregular convex quadrilateral: Find the diagonal length given all sides and one angle

Area of quadrilateral given one diagonal and a line joining midpoints of two adjascene sides

Area of Cyclic Quadrilateral

What is the measure of the $\angle MAD$ in the parallelogram below if $\angle B=110^\circ$

Cyclic quadrilateral: opposite angles add up to $180^\circ\Leftrightarrow$ angles in same segments are equal?

How to prove in figure that $x=30^\circ$, where we know angles $36^\circ$, $24^\circ$ and $18^\circ$?

Why the sum of interior angles of any concave or convex polygon is 180×(n-2)°? How to prove this?

What is the measure of $\measuredangle B$ on the trapeze below?

How to find the angle between diagonals of a quadrilateral when all its angles is known?

Find fourth side of quadrilateral given three sides and two angles

How to find the area of a quadrilateral with all sides different?

References for Euclidean geometry of quadrilateral

Circle geometry sketching and proving

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